Comfort Enhancements: Cool mesh backing promotes airflow

Adjustable sides dial in the fit over outer carriers and jackets

Measuring about 31 by 15 by 14 inches

Actively listens and automatically shuts off amplification when ambient sound reaches 82 dB

35 lb Color Lens: Clear

SureFire Surefire 123A Lithium Batteries SF12-BB Preppers Comfort Enhancements: Cool mesh backingSureFire Surefire 123A Lithium Batteries Optimized for use in SureFire flashlights, SureFire high performance lithium batteries pack a lot of power into a very small package. And unlike alkaline batteries, SureFire provide a 10 year shelf life, which means they will be ready when you need them, every time. Trust in the power and durability of SureFire lithium batteries The best 123A lithium batteries available, bar none 123As outperform alkaline